Display holder



FIG. 1 is a bottom perspective view of a display holder showing my new design, with the clamp portion shown in open condition;

FIG. 2 is a front perspective view thereof, with the broken lines showing for illustrative purposes only and forming no part of the claimed design;

FIG. 3 is a left side elevational view thereof, with the opposite side being a mirror image;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a display holder, as shown and described. 